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Line 467: |
Line 467: |
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− | The Voltage on PreAmp is set to 5.8 V. <br> | + | The Voltage on PreAmp is set to 5.7 V. <br> |
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| {| border="1" |cellpadding="20" cellspacing="0 | | {| border="1" |cellpadding="20" cellspacing="0 |
Latest revision as of 01:26, 19 July 2008
07-01-2008
HV settings
|
Wire |
Volts
|
Sense |
1500
|
Field |
-750
|
Guard |
750
|
The voltage on PreAmp is set to 5.7 V.
![Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V 07-01-2008.png](/./images/thumb/0/0d/Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1400V_07-01-2008.png/400px-Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1400V_07-01-2008.png)
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
57480 |
22535 |
|
100 |
59643 |
22173 |
|
100 |
56474 |
22645 |
|
100 |
58454 |
22870 |
|
150 |
55368 |
22400 |
|
150 |
58127 |
21363 |
|
150 |
55274 |
21411 |
|
150 |
53503 |
21407 |
|
200 |
54516 |
22330 |
|
200 |
51659 |
22542 |
|
200 |
53041 |
21644 |
|
200 |
51700 |
21930 |
|
250 |
50093 |
22070 |
|
250 |
49200 |
21600 |
|
250 |
49557 |
21099 |
|
250 |
50151 |
21484 |
|
300 |
46186 |
19689 |
|
300 |
45857 |
20119 |
|
300 |
46855 |
21217 |
|
300 |
44368 |
20849 |
|
350 |
36621 |
18680 |
|
350 |
34976 |
17645 |
|
350 |
34106 |
18057 |
|
350 |
34710 |
17645 |
|
400 |
10919 |
13647 |
|
400 |
11609 |
13421 |
|
400 |
11670 |
14618 |
|
400 |
11909 |
14703 |
|
450 |
7987 |
10428 |
|
450 |
7655 |
10725 |
|
450 |
7710 |
10546 |
|
450 |
7907 |
10465 |
|
500 |
3928 |
4930 |
|
500 |
3762 |
5298 |
|
500 |
3953 |
5295 |
|
500 |
3733 |
5451 |
|
550 |
1396 |
1733 |
|
550 |
1376 |
1649 |
|
550 |
1417 |
1871 |
|
550 |
1384 |
1861 |
|
600 |
308 |
201 |
|
600 |
177 |
245 |
|
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
[math]58013 \pm 1173[/math] |
[math]22556 \pm 252[/math] |
|
150 |
[math]55569 \pm 1653[/math] |
[math]21645 \pm 436[/math] |
|
200 |
[math]52729 \pm 1172[/math] |
[math]22112 \pm 348[/math] |
|
250 |
[math]49750 \pm 393[/math] |
[math]21563 \pm 346[/math] |
|
300 |
[math]45817 \pm 910[/math] |
[math]20469 \pm 599[/math] |
|
350 |
[math]35103 \pm 931[/math] |
[math]18007 \pm 424[/math] |
|
400 |
[math]11526 \pm 368[/math] |
[math]14097 \pm 570[/math] |
|
450 |
[math]7815 \pm 137[/math] |
[math]10541 \pm 115[/math] |
|
500 |
[math]3844 \pm 97[/math] |
[math]5244 \pm 192[/math] |
|
550 |
[math]1393 \pm 16[/math] |
[math]1779 \pm 93[/math] |
|
600 |
[math]243 \pm 66[/math] |
[math]223 \pm 22[/math] |
|
07-04-2008
HV settings
|
Wire |
Volts
|
Sense |
1450
|
Field |
-725
|
Guard |
725
|
The voltage on PreAmp is set to 5.7 V.
![Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1450V 07-05-2008.png](/./images/thumb/f/f5/Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1450V_07-05-2008.png/400px-Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1450V_07-05-2008.png)
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
11130 |
11606 |
|
100 |
9819 |
11758 |
|
100 |
11556 |
12091 |
|
100 |
10736 |
12091 |
|
150 |
8029 |
8273 |
|
150 |
10420 |
9090 |
|
150 |
8212 |
8431 |
|
150 |
9047 |
9693 |
|
200 |
5239 |
5674 |
|
200 |
5428 |
7905 |
|
200 |
5300 |
5596 |
|
200 |
5399 |
5826 |
|
250 |
3615 |
4027 |
|
250 |
3694 |
3938 |
|
300 |
2718 |
2981 |
|
300 |
2636 |
2857 |
|
300 |
2701 |
2812 |
|
300 |
2695 |
2950 |
|
350 |
2092 |
2426 |
|
350 |
2157 |
2214 |
|
350 |
2238 |
2316 |
|
350 |
2027 |
2324 |
|
400 |
1610 |
1569 |
|
400 |
1564 |
1776 |
|
450 |
1004 |
1127 |
|
450 |
1091 |
1291 |
|
450 |
1046 |
1380 |
|
450 |
1097 |
1257 |
|
500 |
652 |
783 |
|
500 |
721 |
792 |
|
500 |
569 |
771 |
|
500 |
693 |
834 |
|
550 |
165 |
242 |
|
550 |
117 |
212 |
|
600 |
15 |
11 |
|
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
[math]10810 \pm 642[/math] |
[math]11765 \pm 199[/math] |
|
150 |
[math]8927 \pm 944[/math] |
[math]8872 \pm 565[/math] |
|
200 |
[math]5342 \pm 76[/math] |
[math]6250 \pm 959[/math] |
|
250 |
[math]3655 \pm 40[/math] |
[math]3983 \pm 45[/math] |
|
300 |
[math]2688 \pm 31[/math] |
[math]2900 \pm 68[/math] |
|
350 |
[math]2129 \pm 78[/math] |
[math]2320 \pm 75[/math] |
|
400 |
[math]1587 \pm 23[/math] |
[math]1673 \pm 103[/math] |
|
450 |
[math]1060 \pm 38[/math] |
[math]1264 \pm 91[/math] |
|
500 |
[math]695 \pm 27[/math] |
[math]795 \pm 24[/math] |
|
550 |
[math]154 \pm 11[/math] |
[math]250 \pm 7[/math] |
|
600 |
[math]15 \pm 0[/math] |
[math]11 \pm 0[/math] |
|
07-05-2008
HV settings
|
Wire |
Volts
|
Sense |
1400
|
Field |
-700
|
Guard |
700
|
The voltage on PreAmp is set to 5.7 V.
![Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V 07-05-2008.png](/./images/thumb/2/25/Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1400V_07-05-2008.png/400px-Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1400V_07-05-2008.png)
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
2628 |
2701 |
|
100 |
2642 |
2921 |
|
100 |
2912 |
2768 |
|
100 |
2647 |
2956 |
|
150 |
1370 |
1479 |
|
150 |
1316 |
1474 |
|
150 |
1419 |
1449 |
|
150 |
1445 |
1419 |
|
200 |
807 |
825 |
|
200 |
754 |
899 |
|
350 |
177 |
215 |
|
350 |
189 |
202 |
|
400 |
|
|
|
06-12-2008
HV settings
|
Wire |
Volts
|
Sense |
1400
|
Field |
-700
|
Guard |
700
|
![Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V 06-12-2008.png](/./images/thumb/4/46/Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1400V_06-12-2008.png/400px-Noise_level_on_Metalica_and_Plastika_using_VPI_PostAmp_PreAmp_6_3V_HVon_1400V_06-12-2008.png)
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
1609 |
1146 |
|
100 |
1707 |
1176 |
|
100 |
1515 |
1192 |
|
100 |
1643 |
1443 |
|
150 |
1101 |
890 |
|
150 |
1040 |
914 |
|
150 |
1045 |
820 |
|
150 |
1112 |
876 |
|
200 |
697 |
694 |
|
200 |
666 |
633 |
|
250 |
475 |
498 |
|
250 |
466 |
481 |
|
300 |
371 |
385 |
|
350 |
270 |
318 |
|
400 |
204 |
202 |
|
400 |
207 |
257 |
|
450 |
155 |
200 |
|
500 |
122 |
166 |
|
500 |
135 |
173 |
|
Threshold(mV) |
Metalica (Events/hr)VPI PostAmp |
Plastika (Events/hr)VPI PostAmp |
Coincidence(Events/hr)
|
100 |
[math]1619 \pm 69[/math] |
[math]1239 \pm 119[/math] |
|
150 |
[math]1075 \pm 32[/math] |
[math]875 \pm 35[/math] |
|
200 |
[math]682 \pm 16[/math] |
[math]664 \pm 31[/math] |
|
250 |
[math]471 \pm 5[/math] |
[math]490 \pm 9[/math] |
|
300 |
371 |
385 |
|
350 |
270 |
318 |
|
400 |
[math]206 \pm 1[/math] |
[math]230 \pm 27[/math] |
|
450 |
155 |
200 |
|
500 |
[math]129 \pm 7[/math] |
[math]170 \pm 3[/math] |
|
Bottom Scintillator
|
Top Scintillator
|
Threshold(mV) |
Rate(Events/hr) |
Threshold(mV) |
Rate(Events/hr)
|
250 |
739 |
50 |
1286
|
250 |
805 |
50 |
1308
|
250 |
652 |
50 |
1299
|
250 |
748 |
50 |
1289
|
300 |
368 |
100 |
470
|
300 |
356 |
100 |
460
|
300 |
385 |
100 |
443
|
300 |
392 |
100 |
457
|
350 |
237 |
150 |
132
|
350 |
240 |
150 |
110
|
350 |
255 |
150 |
117
|
|
|
175 |
63
|
400 |
164 |
200 |
40
|
450 |
120 |
250 |
18
|
450 |
121 |
250 |
18
|
500 |
92 |
|
|
07-09-2008
HV settings
|
Wire |
Volts
|
Sense |
1450
|
Field |
-725
|
Guard |
725
|
The voltage on PreAmp is 5.7V.
Scintillator or Chamber |
Thershold(mV)
|
Metalica |
100
|
Plastika |
100
|
Top Scintillator |
150
|
Bottom Scintillator |
450
|
The Voltage on PreAmp is set to 5.7 V.
Scintillator or Chamber |
Thershold(mV)
|
Metalica |
100
|
Plastika |
100
|
Top Scintillator |
150
|
Bottom Scintillator |
450
|
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